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Finding the Fourth Proportional to 394,029.36, 543,800.52 and 232,936.56

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Solution

The fourth proportional to 394,029.36, 543,800.52 and 232,936.56 is: 321,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,029.36 : 543,800.52 = 232,936.56 : x
  2. Step 2: Convert to fraction form
    394,029.36/543,800.52 = 232,936.56/x
  3. Step 3: Cross multiply
    394,029.36x = 543,800.52 × 232,936.56
  4. Step 4: Simplify right side
    394,029.36x = 126,671,022,455.01
  5. Step 5: Solve for x
    x = 126,671,022,455.01/394,029.36
  6. Step 6: Final answer
    x = 321,476.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.